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Finding the Fourth Proportional to 35,133.68, 48,483.80 and 19,218.08

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Solution

The fourth proportional to 35,133.68, 48,483.80 and 19,218.08 is: 26,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,133.68 : 48,483.80 = 19,218.08 : x
  2. Step 2: Convert to fraction form
    35,133.68/48,483.80 = 19,218.08/x
  3. Step 3: Cross multiply
    35,133.68x = 48,483.80 × 19,218.08
  4. Step 4: Simplify right side
    35,133.68x = 931,765,547.10
  5. Step 5: Solve for x
    x = 931,765,547.10/35,133.68
  6. Step 6: Final answer
    x = 26,520.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.